suppress warnings about easch <applet>_main() having

no preceding prototype

applets/Kbuild

@@ -18,5 +18,5 @@ HOSTCFLAGS_usage.o = -I$(srctree)/include
 
 quiet_cmd_gen_usage_compressed = GEN     include/usage_compressed.h
       cmd_gen_usage_compressed = $(srctree)/applets/usage_compressed include/usage_compressed.h applets
-include/usage_compressed.h: $(srctree)/include/usage.h applets/usage
+include/usage_compressed.h: .config $(srctree)/include/usage.h applets/usage
 	$(call cmd,gen_usage_compressed)

applets/busybox.c

@@ -73,6 +73,7 @@ int main(int argc, char **argv)
 	bb_error_msg_and_die("applet not found");
 }
 
+int busybox_main(int argc, char **argv);
 int busybox_main(int argc, char **argv)
 {
 	/*

archival/ar.c

@@ -38,6 +38,7 @@ static void header_verbose_list_ar(const file_header_t *file_header)
 #define AR_OPT_CREATE		0x20
 #define AR_OPT_INSERT		0x40
 
+int ar_main(int argc, char **argv);
 int ar_main(int argc, char **argv)
 {
 	archive_handle_t *archive_handle;

archival/bunzip2.c

@@ -12,6 +12,7 @@
 #define BUNZIP2_OPT_STDOUT	1
 #define BUNZIP2_OPT_FORCE	2
 
+int bunzip2_main(int argc, char **argv);
 int bunzip2_main(int argc, char **argv)
 {
 	USE_DESKTOP(long long) int status;

archival/cpio.c

@@ -26,6 +26,7 @@
 #define CPIO_OPT_CREATE_LEADING_DIR	0x20
 #define CPIO_OPT_PRESERVE_MTIME		0x40
 
+int cpio_main(int argc, char **argv);
 int cpio_main(int argc, char **argv)
 {
 	archive_handle_t *archive_handle;

archival/dpkg.c

@@ -1566,6 +1566,7 @@ static void configure_package(deb_file_t *deb_file)
 	set_status(status_num, "installed", 3);
 }
 
+int dpkg_main(int argc, char **argv);
 int dpkg_main(int argc, char **argv)
 {
 	deb_file_t **deb_file = NULL;

archival/dpkg_deb.c

@@ -13,6 +13,7 @@
 #define DPKG_DEB_OPT_EXTRACT	8
 #define DPKG_DEB_OPT_EXTRACT_VERBOSE	16
 
+int dpkg_deb_main(int argc, char **argv);
 int dpkg_deb_main(int argc, char **argv)
 {
 	archive_handle_t *ar_archive;

archival/gunzip.c

@@ -36,6 +36,7 @@
 #define GUNZIP_OPT_DECOMPRESS	8
 #define GUNZIP_OPT_VERBOSE	0x10
 
+int gunzip_main(int argc, char **argv);
 int gunzip_main(int argc, char **argv)
 {
 	USE_DESKTOP(long long) int status;

archival/gzip.c

@@ -2086,6 +2086,7 @@ static void abort_gzip(int ATTRIBUTE_UNUSED ignored)
 	exit(1);
 }
 
+int gzip_main(int argc, char **argv);
 int gzip_main(int argc, char **argv)
 {
 	enum {

archival/rpm.c

@@ -80,6 +80,7 @@ static void fileaction_dobackup(char *filename, int fileref);
 static void fileaction_setowngrp(char *filename, int fileref);
 static void loop_through_files(int filetag, void (*fileaction)(char *filename, int fileref));
 
+int rpm_main(int argc, char **argv);
 int rpm_main(int argc, char **argv)
 {
 	int opt = 0, func = 0, rpm_fd, offset;

archival/rpm2cpio.c

@@ -49,6 +49,7 @@ static void skip_header(int rpm_fd)
 }
 
 /* No getopt required */
+int rpm2cpio_main(int argc, char **argv);
 int rpm2cpio_main(int argc, char **argv)
 {
 	struct rpm_lead lead;

archival/tar.c

@@ -752,6 +752,7 @@ static const struct option tar_long_options[] = {
 };
 #endif
 
+int tar_main(int argc, char **argv);
 int tar_main(int argc, char **argv)
 {
 	char (*get_header_ptr)(archive_handle_t *) = get_header_tar;

archival/uncompress.c

@@ -11,6 +11,7 @@
 #define GUNZIP_TO_STDOUT	1
 #define GUNZIP_FORCE	2
 
+int uncompress_main(int argc, char **argv);
 int uncompress_main(int argc, char **argv)
 {
 	int status = EXIT_SUCCESS;

archival/unlzma.c

@@ -15,6 +15,7 @@
 
 #define UNLZMA_OPT_STDOUT	1
 
+int unlzma_main(int argc, char **argv);
 int unlzma_main(int argc, char **argv)
 {
 	USE_DESKTOP(long long) int status;

archival/unzip.c

@@ -93,6 +93,7 @@ static int unzip_extract(zip_header_t *zip_header, int src_fd, int dst_fd)
 	return 0;
 }
 
+int unzip_main(int argc, char **argv);
 int unzip_main(int argc, char **argv)
 {
 	zip_header_t zip_header;

console-tools/chvt.c

@@ -15,6 +15,7 @@ enum {
 	VT_WAITACTIVE = 0x5607  /* wait for vt active */
 };
 
+int chvt_main(int argc, char **argv);
 int chvt_main(int argc, char **argv)
 {
 	int fd, num;

console-tools/clear.c

@@ -15,6 +15,7 @@
 #include "busybox.h"
 
 
+int clear_main(int argc, char **argv);
 int clear_main(int argc, char **argv)
 {
 	return printf("\033[H\033[J") != 6;

console-tools/deallocvt.c

@@ -15,6 +15,7 @@
 /* From <linux/vt.h> */
 enum { VT_DISALLOCATE = 0x5608 }; /* free memory associated to vt */
 
+int deallocvt_main(int argc, char *argv[]);
 int deallocvt_main(int argc, char *argv[])
 {
 	/* num = 0 deallocate all unused consoles */

console-tools/dumpkmap.c

@@ -22,18 +22,19 @@ struct kbentry {
 #define NR_KEYS 128
 #define MAX_NR_KEYMAPS 256
 
+int dumpkmap_main(int argc, char **argv);
 int dumpkmap_main(int argc, char **argv)
 {
 	struct kbentry ke;
 	int i, j, fd;
-	char flags[MAX_NR_KEYMAPS], magic[] = "bkeymap";
+	char flags[MAX_NR_KEYMAPS];
 
-	if (argc >= 2 && *argv[1] == '-')
+	if (argc >= 2 && argv[1][0] == '-')
 		bb_show_usage();
 
 	fd = xopen(CURRENT_VC, O_RDWR);
 
-	write(1, magic, 7);
+	write(1, "bkeymap", 7);
 
 	/* Here we want to set everything to 0 except for indexes:
 	 * [0-2] [4-6] [8-10] [12] */

console-tools/loadfont.c

@@ -30,6 +30,7 @@ struct psf_header {
 
 static void loadnewfont(int fd);
 
+int loadfont_main(int argc, char **argv);
 int loadfont_main(int argc, char **argv)
 {
 	int fd;

console-tools/loadkmap.c

@@ -25,6 +25,7 @@ struct kbentry {
 #define NR_KEYS         128
 #define MAX_NR_KEYMAPS  256
 
+int loadkmap_main(int argc, char **argv);
 int loadkmap_main(int argc, char **argv)
 {
 	struct kbentry ke;

console-tools/openvt.c

@@ -12,6 +12,7 @@
 
 #include "busybox.h"
 
+int openvt_main(int argc, char **argv);
 int openvt_main(int argc, char **argv)
 {
 	int fd;

console-tools/reset.c

@@ -15,6 +15,7 @@
 #include <unistd.h>
 #include "busybox.h"
 
+int reset_main(int argc, char **argv);
 int reset_main(int argc, char **argv)
 {
 	if (isatty(1)) {

console-tools/resize.c

@@ -9,6 +9,7 @@
 /* no options, no getopt */
 #include "busybox.h"
 
+int resize_main(int argc, char **argv);
 int resize_main(int argc, char **argv)
 {
 	struct termios old, new;

console-tools/setconsole.c

@@ -18,6 +18,7 @@ static const struct option setconsole_long_options[] = {
 
 #define OPT_SETCONS_RESET 1
 
+int setconsole_main(int argc, char **argv);
 int setconsole_main(int argc, char **argv)
 {
 	unsigned long flags;

console-tools/setkeycodes.c

@@ -9,9 +9,6 @@
  * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <fcntl.h>
 #include <sys/ioctl.h>
 #include "busybox.h"
 
@@ -24,8 +21,8 @@ enum {
 	KDSETKEYCODE = 0x4B4D  /* write kernel keycode table entry */
 };
 
-extern int
-setkeycodes_main(int argc, char** argv)
+int setkeycodes_main(int argc, char** argv);
+int setkeycodes_main(int argc, char** argv)
 {
 	int fd, sc;
 	struct kbkeycode a;

coreutils/basename.c

@@ -25,6 +25,7 @@
 #include <string.h>
 #include "busybox.h"
 
+int basename_main(int argc, char **argv);
 int basename_main(int argc, char **argv)
 {
 	size_t m, n;

coreutils/cal.c

@@ -77,6 +77,7 @@ static char *build_row(char *p, int *dp);
 #define	J_WEEK_LEN	(WEEK_LEN + 7)
 #define	HEAD_SEP	2		/* spaces between day headings */
 
+int cal_main(int argc, char **argv);
 int cal_main(int argc, char **argv)
 {
 	struct tm *local_time;

coreutils/cat.c

@@ -34,6 +34,7 @@ int bb_cat(char **argv)
 	return retval;
 }
 
+int cat_main(int argc, char **argv);
 int cat_main(int argc, char **argv)
 {
 	getopt32(argc, argv, "u");

coreutils/catv.c

@@ -12,6 +12,7 @@
 
 #include "busybox.h"
 
+int catv_main(int argc, char **argv);
 int catv_main(int argc, char **argv)
 {
 	int retval = EXIT_SUCCESS, fd;

coreutils/chgrp.c

@@ -16,6 +16,7 @@
 /* FIXME - move to .h */
 extern int chown_main(int argc, char **argv);
 
+int chgrp_main(int argc, char **argv);
 int chgrp_main(int argc, char **argv)
 {
 	/* "chgrp [opts] abc file(s)" == "chown [opts] :abc file(s)" */

coreutils/chmod.c

@@ -64,6 +64,7 @@ static int fileAction(const char *fileName, struct stat *statbuf, void* param, i
 	return FALSE;
 }
 
+int chmod_main(int argc, char **argv);
 int chmod_main(int argc, char **argv)
 {
 	int retval = EXIT_SUCCESS;

coreutils/chown.c

@@ -53,6 +53,7 @@ static int fileAction(const char *fileName, struct stat *statbuf,
 	return FALSE;
 }
 
+int chown_main(int argc, char **argv);
 int chown_main(int argc, char **argv)
 {
 	char *groupName;

coreutils/chroot.c

@@ -11,6 +11,7 @@
 
 #include "busybox.h"
 
+int chroot_main(int argc, char **argv);
 int chroot_main(int argc, char **argv)
 {
 	if (argc < 2) {

coreutils/cksum.c

@@ -8,6 +8,7 @@
 
 #include "busybox.h"
 
+int cksum_main(int argc, char **argv);
 int cksum_main(int argc, char **argv)
 {
 

coreutils/cmp.c

@@ -42,6 +42,7 @@ static const char opt_chars[] = "sl";
 #define CMP_OPT_s (1<<0)
 #define CMP_OPT_l (1<<1)
 
+int cmp_main(int argc, char **argv);
 int cmp_main(int argc, char **argv)
 {
 	FILE *fp1, *fp2, *outfile = stdout;

coreutils/comm.c

@@ -108,6 +108,7 @@ static void cmp_files(char **infiles)
 	fclose(streams[1]);
 }
 
+int comm_main(int argc, char **argv);
 int comm_main(int argc, char **argv)
 {
 	unsigned long flags;

coreutils/cp.c

@@ -17,6 +17,7 @@
 #include "busybox.h"
 #include "libcoreutils/coreutils.h"
 
+int cp_main(int argc, char **argv);
 int cp_main(int argc, char **argv)
 {
 	struct stat source_stat;

coreutils/cut.c

@@ -162,6 +162,7 @@ static void cut_file(FILE * file)
 
 static const char _op_on_field[] = " only when operating on fields";
 
+int cut_main(int argc, char **argv);
 int cut_main(int argc, char **argv)
 {
 	char *sopt, *ltok;

coreutils/date.c

@@ -44,6 +44,7 @@ static void maybe_set_utc(int opt)
 		xputenv((char*)"TZ=UTC0");
 }
 
+int date_main(int argc, char **argv);
 int date_main(int argc, char **argv)
 {
 	time_t tm;

coreutils/dd.c

@@ -50,6 +50,7 @@ static ssize_t full_write_or_warn(int fd, const void *buf, size_t len,
 #define XATOU_SFX xatoul_sfx
 #endif
 
+int dd_main(int argc, char **argv);
 int dd_main(int argc, char **argv)
 {
 	enum {

coreutils/df.c

@@ -33,6 +33,7 @@ static long kscale(long b, long bs)
 }
 #endif
 
+int df_main(int argc, char **argv);
 int df_main(int argc, char **argv)
 {
 	long blocks_used;

coreutils/diff.c

@@ -1170,6 +1170,7 @@ static void diffdir(char *p1, char *p2)
 #endif
 
 
+int diff_main(int argc, char **argv);
 int diff_main(int argc, char **argv)
 {
 	bool gotstdin = 0;

coreutils/dirname.c

@@ -14,6 +14,7 @@
 #include <stdlib.h>
 #include "busybox.h"
 
+int dirname_main(int argc, char **argv);
 int dirname_main(int argc, char **argv)
 {
 	if (argc != 2) {

coreutils/dos2unix.c

@@ -82,6 +82,7 @@ static int convert(char *fn)
 	return 0;
 }
 
+int dos2unix_main(int argc, char *argv[]);
 int dos2unix_main(int argc, char *argv[])
 {
 	int o;

coreutils/du.c

@@ -143,6 +143,7 @@ static long du(const char * const filename)
 	return sum;
 }
 
+int du_main(int argc, char **argv);
 int du_main(int argc, char **argv)
 {
 	long total;

coreutils/echo.c

@@ -112,6 +112,7 @@ just_echo:
 	return 0;
 }
 
+int echo_main(int argc, char** argv);
 int echo_main(int argc, char** argv)
 {
 	(void)bb_echo(argv);

coreutils/env.c

@@ -41,6 +41,7 @@ static const struct option env_long_options[] = {
 };
 #endif
 
+int env_main(int argc, char** argv);
 int env_main(int argc, char** argv)
 {
 	static char *cleanenv[1] = { NULL };

coreutils/expr.c

@@ -74,6 +74,7 @@ static int toarith(VALUE * v);
 static void freev(VALUE * v);
 static void tostring(VALUE * v);
 
+int expr_main(int argc, char **argv);
 int expr_main(int argc, char **argv)
 {
 	VALUE *v;

coreutils/false.c

@@ -13,6 +13,7 @@
 #include <stdlib.h>
 #include "busybox.h"
 
+int false_main(int ATTRIBUTE_UNUSED argc, char ATTRIBUTE_UNUSED **argv);
 int false_main(int ATTRIBUTE_UNUSED argc, char ATTRIBUTE_UNUSED **argv)
 {
 	return EXIT_FAILURE;

coreutils/fold.c

@@ -38,6 +38,7 @@ static int adjust_column(int column, char c)
 	return column;
 }
 
+int fold_main(int argc, char **argv);
 int fold_main(int argc, char **argv)
 {
 	char *w_opt;

coreutils/head.c

@@ -31,6 +31,7 @@ static const struct suffix_mult head_suffixes[] = {
 
 static const char header_fmt_str[] = "\n==> %s <==\n";
 
+int head_main(int argc, char **argv);
 int head_main(int argc, char **argv)
 {
 	unsigned long count = 10;

coreutils/hostid.c

@@ -13,6 +13,7 @@
 #include <unistd.h>
 #include "busybox.h"
 
+int hostid_main(int argc, char ATTRIBUTE_UNUSED **argv);
 int hostid_main(int argc, char ATTRIBUTE_UNUSED **argv)
 {
 	if (argc > 1) {

coreutils/id.c

@@ -39,6 +39,7 @@ static short printf_full(unsigned int id, const char *arg, const char prefix)
 	return status;
 }
 
+int id_main(int argc, char **argv);
 int id_main(int argc, char **argv)
 {
 	struct passwd *p;

coreutils/install.c

@@ -25,6 +25,7 @@ static const struct option install_long_options[] = {
 };
 #endif
 
+int install_main(int argc, char **argv);
 int install_main(int argc, char **argv)
 {
 	struct stat statbuf;

coreutils/length.c

@@ -7,6 +7,7 @@
 #include <stdio.h>
 #include "busybox.h"
 
+int length_main(int argc, char **argv);
 int length_main(int argc, char **argv)
 {
 	if ((argc != 2) ||  (**(++argv) == '-')) {

coreutils/ln.c

@@ -19,6 +19,7 @@
 #define LN_BACKUP           8
 #define LN_SUFFIX           16
 
+int ln_main(int argc, char **argv);
 int ln_main(int argc, char **argv)
 {
 	int status = EXIT_SUCCESS;

coreutils/logname.c

@@ -25,6 +25,7 @@
 #include <unistd.h>
 #include "busybox.h"
 
+int logname_main(int argc, char ATTRIBUTE_UNUSED **argv);
 int logname_main(int argc, char ATTRIBUTE_UNUSED **argv)
 {
 	const char *p;

coreutils/ls.c

@@ -773,6 +773,7 @@ static const unsigned opt_flags[] = {
 };
 
 
+int ls_main(int argc, char **argv);
 int ls_main(int argc, char **argv)
 {
 	struct dnode **dnd;

coreutils/md5_sha1_sum.c

@@ -78,6 +78,7 @@ static uint8_t *hash_file(const char *filename, hash_algo_t hash_algo)
 	return hash_value;
 }
 
+int md5_sha1_sum_main(int argc, char **argv);
 int md5_sha1_sum_main(int argc, char **argv)
 {
 	int return_value = EXIT_SUCCESS;

coreutils/mkdir.c

@@ -29,6 +29,7 @@ static const struct option mkdir_long_options[] = {
 };
 #endif
 
+int mkdir_main(int argc, char **argv);
 int mkdir_main(int argc, char **argv)
 {
 	mode_t mode = (mode_t)(-1);

coreutils/mkfifo.c

@@ -16,6 +16,7 @@
 #include "busybox.h"
 #include "libcoreutils/coreutils.h"
 
+int mkfifo_main(int argc, char **argv);
 int mkfifo_main(int argc, char **argv)
 {
 	mode_t mode;

coreutils/mknod.c

@@ -17,6 +17,7 @@
 static const char modes_chars[] = { 'p', 'c', 'u', 'b', 0, 1, 1, 2 };
 static const mode_t modes_cubp[] = { S_IFIFO, S_IFCHR, S_IFBLK };
 
+int mknod_main(int argc, char **argv);
 int mknod_main(int argc, char **argv)
 {
 	mode_t mode;

coreutils/mv.c

@@ -35,6 +35,7 @@ static const struct option mv_long_options[] = {
 
 static const char fmt[] = "cannot overwrite %sdirectory with %sdirectory";
 
+int mv_main(int argc, char **argv);
 int mv_main(int argc, char **argv)
 {
 	struct stat dest_stat;

coreutils/nice.c

@@ -10,6 +10,7 @@
 #include <sys/resource.h>
 #include "busybox.h"
 
+int nice_main(int argc, char **argv);
 int nice_main(int argc, char **argv)
 {
 	int old_priority, adjustment;

coreutils/nohup.c

@@ -12,6 +12,7 @@
 
 #include "busybox.h"
 
+int nohup_main(int argc, char **argv);
 int nohup_main(int argc, char **argv)
 {
 	int nullfd;

coreutils/od.c

@@ -156,6 +156,7 @@ static const char od_o2si[] = {
 	0xb, 1, 8, 9,
 };
 
+int od_main(int argc, char **argv);
 int od_main(int argc, char **argv)
 {
 	int ch;

coreutils/od_bloaty.c

@@ -1207,8 +1207,8 @@ dump_strings(void)
 	check_and_close();
 }
 
-int
-od_main(int argc, char **argv)
+int od_main(int argc, char **argv);
+int od_main(int argc, char **argv)
 {
 	static const struct suffix_mult bkm[] = {
 		{ "b", 512 },

coreutils/printenv.c

@@ -13,6 +13,7 @@
 #include <stdlib.h>
 #include "busybox.h"
 
+int printenv_main(int argc, char **argv);
 int printenv_main(int argc, char **argv)
 {
 	extern char **environ;

coreutils/printf.c

@@ -109,6 +109,7 @@ static void print_esc_string(char *str)
 	}
 }
 
+int printf_main(int argc, char **argv);
 int printf_main(int argc, char **argv)
 {
 	char *format;

coreutils/pwd.c

@@ -11,6 +11,7 @@
 #include <stdlib.h>
 #include "busybox.h"
 
+int pwd_main(int argc, char **argv);
 int pwd_main(int argc, char **argv)
 {
 	char *buf;

coreutils/realpath.c

@@ -12,6 +12,7 @@
 
 #include "busybox.h"
 
+int realpath_main(int argc, char **argv);
 int realpath_main(int argc, char **argv)
 {
 	int retval = EXIT_SUCCESS;

coreutils/rm.c

@@ -18,6 +18,7 @@
 #include <unistd.h>
 #include "busybox.h"
 
+int rm_main(int argc, char **argv);
 int rm_main(int argc, char **argv)
 {
 	int status = 0;

coreutils/rmdir.c

@@ -15,6 +15,7 @@
 #include <libgen.h>
 #include "busybox.h"
 
+int rmdir_main(int argc, char **argv);
 int rmdir_main(int argc, char **argv)
 {
 	int status = EXIT_SUCCESS;

coreutils/seq.c

@@ -11,6 +11,7 @@
 #include <stdlib.h>
 #include "busybox.h"
 
+int seq_main(int argc, char **argv);
 int seq_main(int argc, char **argv)
 {
 	double last, first, increment, i;

coreutils/sleep.c

@@ -33,6 +33,7 @@ static const struct suffix_mult sfx[] = {
 };
 #endif
 
+int sleep_main(int argc, char **argv);
 int sleep_main(int argc, char **argv)
 {
 	unsigned int duration;

coreutils/sort.c

@@ -271,6 +271,7 @@ static unsigned str2u(char **str)
 }
 #endif
 
+int sort_main(int argc, char **argv);
 int sort_main(int argc, char **argv)
 {
 	FILE *fp, *outfile = stdout;

coreutils/stat.c

@@ -515,6 +515,7 @@ static int do_stat(char const *filename, char const *format)
 	return 1;
 }
 
+int stat_main(int argc, char **argv);
 int stat_main(int argc, char **argv)
 {
 	int i;

coreutils/stty.c

@@ -907,6 +907,7 @@ static void set_control_char_or_die(const struct control_info *info,
 #define STTY_verbose_output     (1<<2)
 #define STTY_recoverable_output (1<<3)
 #define STTY_noargs             (1<<4)
+int stty_main(int argc, char **argv);
 int stty_main(int argc, char **argv)
 {
 	struct termios mode;

coreutils/sum.c

@@ -74,6 +74,7 @@ static unsigned sum_file(const char *file, const unsigned type)
 #undef buf
 }
 
+int sum_main(int argc, char **argv);
 int sum_main(int argc, char **argv)
 {
 	unsigned n;

coreutils/sync.c

@@ -13,6 +13,7 @@
 #include <unistd.h>
 #include "busybox.h"
 
+int sync_main(int argc, char **argv);
 int sync_main(int argc, char **argv)
 {
 	bb_warn_ignoring_args(argc - 1);

coreutils/tail.c

@@ -68,6 +68,7 @@ static unsigned eat_num(const char *p) {
 	return xatou_sfx(p, tail_suffixes);
 }
 
+int tail_main(int argc, char **argv);
 int tail_main(int argc, char **argv)
 {
 	unsigned count = 10;

coreutils/tee.c

@@ -13,6 +13,7 @@
 #include "busybox.h"
 #include <signal.h>
 
+int tee_main(int argc, char **argv);
 int tee_main(int argc, char **argv)
 {
 	const char *mode = "w\0a";

coreutils/test.c

@@ -578,6 +578,7 @@ static int is_a_group_member(gid_t gid)
 
 /* applet entry point */
 
+int test_main(int argc, char **argv);
 int test_main(int argc, char **argv)
 {
 	return bb_test(argc, argv);

coreutils/touch.c

@@ -26,6 +26,7 @@
 #include <stdlib.h>
 #include "busybox.h"
 
+int touch_main(int argc, char **argv);
 int touch_main(int argc, char **argv)
 {
 	int fd;

coreutils/tr.c

@@ -193,6 +193,7 @@ static int complement(char *buffer, int buffer_len)
 	return ix;
 }
 
+int tr_main(int argc, char **argv);
 int tr_main(int argc, char **argv)
 {
 	unsigned char *ptr;

coreutils/true.c

@@ -13,6 +13,7 @@
 #include <stdlib.h>
 #include "busybox.h"
 
+int true_main(int argc, char **argv);
 int true_main(int argc, char **argv)
 {
 	return EXIT_SUCCESS;

coreutils/tty.c

@@ -15,6 +15,7 @@
 #include <unistd.h>
 #include "busybox.h"
 
+int tty_main(int argc, char **argv);
 int tty_main(int argc, char **argv)
 {
 	const char *s;

coreutils/uname.c

@@ -54,6 +54,7 @@ static const unsigned short int utsname_offset[] = {
 	offsetof(uname_info_t,processor)
 };
 
+int uname_main(int argc, char **argv);
 int uname_main(int argc, char **argv)
 {
 	uname_info_t uname_info;

coreutils/uniq.c

@@ -26,6 +26,7 @@ static FILE *xgetoptfile_uniq_s(char **argv, int read0write2)
 	return (read0write2) ? stdout : stdin;
 }
 
+int uniq_main(int argc, char **argv);
 int uniq_main(int argc, char **argv)
 {
 	FILE *in, *out;

coreutils/usleep.c

@@ -14,6 +14,7 @@
 #include <unistd.h>
 #include "busybox.h"
 
+int usleep_main(int argc, char **argv);
 int usleep_main(int argc, char **argv)
 {
 	if (argc != 2) {

coreutils/uudecode.c

@@ -123,6 +123,7 @@ static void read_base64(FILE *src_stream, FILE *dst_stream)
 	}
 }
 
+int uudecode_main(int argc, char **argv);
 int uudecode_main(int argc, char **argv)
 {
 	FILE *src_stream;

coreutils/uuencode.c

@@ -13,6 +13,7 @@
 
 #define SRC_BUF_SIZE	45  // This *MUST* be a multiple of 3
 #define DST_BUF_SIZE    4 * ((SRC_BUF_SIZE + 2) / 3)
+int uuencode_main(int argc, char **argv);
 int uuencode_main(int argc, char **argv)
 {
 	const size_t src_buf_size = SRC_BUF_SIZE;

coreutils/watch.c

@@ -23,6 +23,7 @@
 //
 // (procps 3.x and procps 2.x are forks, not newer/older versions of the same)
 
+int watch_main(int argc, char **argv);
 int watch_main(int argc, char **argv)
 {
 	unsigned opt;

coreutils/wc.c

@@ -68,6 +68,7 @@ enum {
 	WC_LENGTH	= 3
 };
 
+int wc_main(int argc, char **argv);
 int wc_main(int argc, char **argv)
 {
 	FILE *fp;

coreutils/who.c

@@ -38,6 +38,7 @@ static const char * idle_string (time_t t)
 	return "old";
 }
 
+int who_main(int argc, char **argv);
 int who_main(int argc, char **argv)
 {
 	struct utmp *ut;

coreutils/whoami.c

@@ -14,6 +14,7 @@
 #include <unistd.h>
 #include "busybox.h"
 
+int whoami_main(int argc, char **argv);
 int whoami_main(int argc, char **argv)
 {
 	if (argc > 1)

coreutils/yes.c

@@ -16,6 +16,7 @@
 
 #include "busybox.h"
 
+int yes_main(int argc, char **argv);
 int yes_main(int argc, char **argv)
 {
 	static const char fmt_str[] = " %s";

debianutils/mktemp.c

@@ -16,6 +16,7 @@
 #include <unistd.h>
 #include <stdlib.h>
 
+int mktemp_main(int argc, char **argv);
 int mktemp_main(int argc, char **argv)
 {
 	unsigned long flags = getopt32(argc, argv, "dqt");

debianutils/pipe_progress.c

@@ -18,6 +18,7 @@
 /* Read a block of data from stdin, write it to stdout.
  * Activity is indicated by a '.' to stderr
  */
+int pipe_progress_main(int argc, char **argv);
 int pipe_progress_main(int argc, char **argv)
 {
 	RESERVE_CONFIG_BUFFER(buf, PIPE_PROGRESS_SIZE);